Date
June 19, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.603157] ================================================================== [ 30.603334] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 30.603471] Write of size 16 at addr fff00000c6466c69 by task kunit_try_catch/189 [ 30.603852] [ 30.604003] CPU: 1 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 30.604234] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.604304] Hardware name: linux,dummy-virt (DT) [ 30.604383] Call trace: [ 30.604438] show_stack+0x20/0x38 (C) [ 30.604570] dump_stack_lvl+0x8c/0xd0 [ 30.604695] print_report+0x118/0x608 [ 30.604811] kasan_report+0xdc/0x128 [ 30.604939] kasan_check_range+0x100/0x1a8 [ 30.605061] __asan_memset+0x34/0x78 [ 30.605170] kmalloc_oob_memset_16+0x150/0x2f8 [ 30.605292] kunit_try_run_case+0x170/0x3f0 [ 30.605694] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.606021] kthread+0x328/0x630 [ 30.606255] ret_from_fork+0x10/0x20 [ 30.606424] [ 30.606466] Allocated by task 189: [ 30.606526] kasan_save_stack+0x3c/0x68 [ 30.606845] kasan_save_track+0x20/0x40 [ 30.607046] kasan_save_alloc_info+0x40/0x58 [ 30.607152] __kasan_kmalloc+0xd4/0xd8 [ 30.607235] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.607346] kmalloc_oob_memset_16+0xb0/0x2f8 [ 30.607444] kunit_try_run_case+0x170/0x3f0 [ 30.607533] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.607634] kthread+0x328/0x630 [ 30.607966] ret_from_fork+0x10/0x20 [ 30.608054] [ 30.608184] The buggy address belongs to the object at fff00000c6466c00 [ 30.608184] which belongs to the cache kmalloc-128 of size 128 [ 30.608505] The buggy address is located 105 bytes inside of [ 30.608505] allocated 120-byte region [fff00000c6466c00, fff00000c6466c78) [ 30.608943] [ 30.609127] The buggy address belongs to the physical page: [ 30.609361] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106466 [ 30.609735] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.610069] page_type: f5(slab) [ 30.610169] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000100 dead000000000122 [ 30.610309] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.610413] page dumped because: kasan: bad access detected [ 30.610486] [ 30.610529] Memory state around the buggy address: [ 30.610610] fff00000c6466b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.610723] fff00000c6466b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.610938] >fff00000c6466c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.611117] ^ [ 30.611321] fff00000c6466c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.611437] fff00000c6466d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.611913] ==================================================================
[ 27.078731] ================================================================== [ 27.079220] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 27.079706] Write of size 16 at addr ffff888103259169 by task kunit_try_catch/207 [ 27.080316] [ 27.080741] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 27.080860] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.080887] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.080935] Call Trace: [ 27.080968] <TASK> [ 27.081011] dump_stack_lvl+0x73/0xb0 [ 27.081094] print_report+0xd1/0x650 [ 27.081155] ? __virt_addr_valid+0x1db/0x2d0 [ 27.081206] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.081290] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.081388] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.081574] kasan_report+0x141/0x180 [ 27.081618] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.081670] kasan_check_range+0x10c/0x1c0 [ 27.081719] __asan_memset+0x27/0x50 [ 27.081805] kmalloc_oob_memset_16+0x166/0x330 [ 27.081871] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 27.081919] ? __schedule+0x10cc/0x2b60 [ 27.081963] ? __pfx_read_tsc+0x10/0x10 [ 27.082124] ? ktime_get_ts64+0x86/0x230 [ 27.082217] kunit_try_run_case+0x1a5/0x480 [ 27.082292] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.082339] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.082384] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.082421] ? __kthread_parkme+0x82/0x180 [ 27.082446] ? preempt_count_sub+0x50/0x80 [ 27.082472] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.082497] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.082522] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.082547] kthread+0x337/0x6f0 [ 27.082568] ? trace_preempt_on+0x20/0xc0 [ 27.082594] ? __pfx_kthread+0x10/0x10 [ 27.082616] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.082639] ? calculate_sigpending+0x7b/0xa0 [ 27.082666] ? __pfx_kthread+0x10/0x10 [ 27.082689] ret_from_fork+0x116/0x1d0 [ 27.082710] ? __pfx_kthread+0x10/0x10 [ 27.082732] ret_from_fork_asm+0x1a/0x30 [ 27.082765] </TASK> [ 27.082779] [ 27.094118] Allocated by task 207: [ 27.094674] kasan_save_stack+0x45/0x70 [ 27.095184] kasan_save_track+0x18/0x40 [ 27.095539] kasan_save_alloc_info+0x3b/0x50 [ 27.095889] __kasan_kmalloc+0xb7/0xc0 [ 27.096434] __kmalloc_cache_noprof+0x189/0x420 [ 27.096884] kmalloc_oob_memset_16+0xac/0x330 [ 27.097153] kunit_try_run_case+0x1a5/0x480 [ 27.097374] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.097776] kthread+0x337/0x6f0 [ 27.098116] ret_from_fork+0x116/0x1d0 [ 27.098666] ret_from_fork_asm+0x1a/0x30 [ 27.099052] [ 27.099248] The buggy address belongs to the object at ffff888103259100 [ 27.099248] which belongs to the cache kmalloc-128 of size 128 [ 27.099977] The buggy address is located 105 bytes inside of [ 27.099977] allocated 120-byte region [ffff888103259100, ffff888103259178) [ 27.100417] [ 27.100527] The buggy address belongs to the physical page: [ 27.100734] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103259 [ 27.101023] flags: 0x200000000000000(node=0|zone=2) [ 27.101617] page_type: f5(slab) [ 27.101930] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.102711] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.103520] page dumped because: kasan: bad access detected [ 27.103946] [ 27.104268] Memory state around the buggy address: [ 27.104860] ffff888103259000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.105456] ffff888103259080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.105767] >ffff888103259100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.106210] ^ [ 27.107052] ffff888103259180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.107528] ffff888103259200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.107790] ==================================================================